Chemical Product Library / Reference
Dimethyl sulfoxide
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Dimethyl sulfoxide |
|---|---|
| English synonyms | DMSO;Methyl sulfoxide;Dimethyl sulfoxide |
| Chinese name | 二甲基亚砜 |
| Chinese synonyms | DMSO;二甲亚砜;甲基亚砜 |
| Chemical category | Solvents |
| CAS No. | 67-68-5 |
| EINECS No. | 200-664-3 |
| Molecular formula | C2H6OS |
| Molecular weight | 78.13 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Purity ≥99.9%; water ≤0.1%; acidity (as acetic acid) ≤0.01%; color (Pt-Co) ≤10; residue on evaporation ≤0.01%
Performance characteristics
Colorless transparent liquid, highly polar aprotic solvent, miscible with water and most organic solvents
Application scenarios
Pharmaceutical solvent, reaction medium, electronic cleaning, cryoprotectant, agrochemical solvent